Last updated: June 24, 2025
In Sudbury, United States, the average temperature for August hovers around 23°C (73°F), making it quite pleasant. However, be prepared for some variability, as temperatures can dip to a chilly 9°C (49°F) or soar to a sweltering 35°C (96°F). Expect about 85 mm (3.4 in) of precipitation spread over 11 days, with an average humidity level of 66%. Whether you’re soaking up the sun or dodging the rain, Sudbury offers a dynamic climate this month!
In August in Sudbury, the average temperature is 23°C (73°F). The maximum can reach 35°C (96°F) and the minimum can be as low as 9°C (49°F). This makes it a comfortable time to visit, with warm days perfect for outdoor activities and cooler evenings ideal for exploring local dining options.
In Sudbury in August, the precipitation amount is 85 mm (3.4 in) over the course of 11 days.
In Sudbury in August, humidity is 66%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and plan outdoor activities for cooler times of the day.
In Sudbury in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sudbury.
UV Risk Categories
Weather in Sudbury varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sudbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 69 mm (2.7 inches) | 86% | moderate |
| February Weather | 0°C (32°F) | 85 mm (3.3 inches) | 84% | moderate |
| March Weather | 3°C (38°F) | 86 mm (3.4 inches) | 82% | high |
| April Weather | 9°C (48°F) | 124 mm (4.9 inches) | 80% | very high |
| May Weather | 15°C (59°F) | 86 mm (3.4 inches) | 72% | very high |
| June Weather | 20°C (69°F) | 85 mm (3.4 inches) | 72% | very high |
| July Weather | 23°C (74°F) | 133 mm (5.3 inches) | 67% | very high |
| August Weather | 23°C (73°F) | 85 mm (3.4 inches) | 66% | very high |
| September Weather | 19°C (66°F) | 79 mm (3.1 inches) | 71% | high |
| October Weather | 13°C (55°F) | 132 mm (5.2 inches) | 78% | high |
| November Weather | 5°C (42°F) | 97 mm (3.8 inches) | 84% | moderate |
| December Weather | 0°C (33°F) | 118 mm (4.6 inches) | 81% | low |